@article{Szwarcfiter1976, 
     author = "Szwarcfiter, Jayme L. and Lauer, Peter E.", 
     doi = "10.1007/BF01931370", 
     issn = "00063835", 
     journal = "BIT", 
     link = "http://link.springer.com/10.1007/BF01931370", 
     month = "jun", 
     number = "2", 
     pages = "192--204", 
     title = "A search strategy for the elementary cycles of a directed graph", 
     uri = "http://link.springer.com/10.1007/BF01931370", 
     volume = "16", 
     year = "1976", 
}

Problems: 465